Zhejiang Heda Solar Technology Co., Ltd. is a factory specialized in manufacturing solar street lights, solar garden light, solar panels, solar light box, solar power system and other products. We have been cooperated with Energy Research Center of HeFei Industrial University which is the leading Institute in the field of solar energy in China. We have 6 years experience and 14 patents in our solar street light, we use two way control technology in our solar street lights which helps ...